70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
#ifndef _KERNEL_DRIVERS_IRQ_ARM_GICV2_H
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#define _KERNEL_DRIVERS_IRQ_ARM_GICV2_H
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#include <drivers/driver_manager.h>
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#include <drivers/irq/irq_api.h>
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#include <libkern/mask.h>
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#include <libkern/types.h>
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enum GICDControlMasks {
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MASKDEFINE(GICD_ENABLE, 0, 1),
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};
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enum GICCControlMasks {
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MASKDEFINE(GICC_ENABLE_GR1, 0, 1),
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MASKDEFINE(GICC_FIQ_BYP_DIS_GR1, 5, 1),
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MASKDEFINE(GICC_IRQ_BYP_DIS_GR1, 6, 1),
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MASKDEFINE(GICC_EO_IMODE_NS, 9, 1),
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};
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struct gicv2_distributor_registers {
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uint32_t control;
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uint32_t typer;
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uint32_t iidr;
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SKIP(0x008 + 0x4, 0x080);
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uint32_t igroup[8];
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SKIP(0x09C + 0x4, 0x100);
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uint32_t isenabler[8];
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SKIP(0x11C + 0x4, 0x180);
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uint32_t icenabler[8];
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SKIP(0x19C + 0x4, 0x200);
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uint32_t ispendr[8];
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SKIP(0x21C + 0x4, 0x280);
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uint32_t icpendr[8];
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SKIP(0x29C + 0x4, 0x300);
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uint32_t isactiver[8];
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SKIP(0x31C + 0x4, 0x380);
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uint32_t icactiver[8];
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SKIP(0x39C + 0x4, 0x400);
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uint32_t ipriorityr[64];
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SKIP(0x4FC + 0x4, 0x800);
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uint32_t itargetsr[64];
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SKIP(0x8FC + 0x4, 0xC00);
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uint32_t icfgr[16];
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// TO BE CONTINUED
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};
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typedef struct gicv2_distributor_registers gicv2_distributor_registers_t;
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struct gicv2_cpu_interface_registers {
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uint32_t control;
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uint32_t pmr;
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uint32_t bpr;
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uint32_t iar;
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uint32_t eoir;
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uint32_t hppir;
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uint32_t abpr;
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uint32_t aiar;
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uint32_t aeoir;
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uint32_t ahppir;
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// TO BE CONTINUED
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};
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typedef struct gicv2_cpu_interface_registers gicv2_cpu_interface_registers_t;
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void gicv2_enable_irq(irq_line_t id, irq_priority_t prior, irq_flags_t flags, int cpu_mask);
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void gicv2_install();
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void gicv2_install_secondary_cpu();
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uint32_t gicv2_interrupt_descriptor();
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void gicv2_end(uint32_t int_disc);
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#endif //_KERNEL_DRIVERS_IRQ_ARM_GICV2_H
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